Merge tag 'omap-fixes-a-for-pre3.7' of git://git.kernel.org/pub/scm/l…

…inux/kernel/git/pjw/omap-pending into omap-for-v3.7-rc1/fixes-hwmod-clock

Some OMAP fixes for the 3.7 merge window, fixing mismerges, branch
integration issues, and bugs after the arm-soc merges.

Basic test logs are available here:

   http://www.pwsan.com/omap/testlogs/devel_late_fixes_3.7/20121009084003/

N800 isn't booting; this is a problem present in the base commit and
is due to serial driver breakage:

   http://www.spinics.net/lists/arm-kernel/msg196034.html

arch/arm/mach-omap2/board-omap3evm.c

@@ -88,11 +88,10 @@ enum {
 
 static u8 omap3_evm_version;
 
-u8 get_omap3_evm_rev(void)
+static u8 get_omap3_evm_rev(void)
 {
 	return omap3_evm_version;
 }
-EXPORT_SYMBOL(get_omap3_evm_rev);
 
 static void __init omap3_evm_get_revision(void)
 {

arch/arm/mach-omap2/clock33xx_data.c

@@ -1035,6 +1035,8 @@ static struct omap_clk am33xx_clks[] = {
 	CLK(NULL,	"pruss_ocp_gclk",	&pruss_ocp_gclk,	CK_AM33XX),
 	CLK("davinci-mcasp.0",  NULL,           &mcasp0_fck,    CK_AM33XX),
 	CLK("davinci-mcasp.1",  NULL,           &mcasp1_fck,    CK_AM33XX),
+	CLK(NULL,	"mcasp0_fck",		&mcasp0_fck,	CK_AM33XX),
+	CLK(NULL,	"mcasp1_fck",		&mcasp1_fck,	CK_AM33XX),
 	CLK("NULL",	"mmc2_fck",		&mmc2_fck,	CK_AM33XX),
 	CLK(NULL,	"mmu_fck",		&mmu_fck,	CK_AM33XX),
 	CLK(NULL,	"smartreflex0_fck",	&smartreflex0_fck,	CK_AM33XX),

arch/arm/mach-omap2/clockdomain2xxx_3xxx.c

@@ -183,17 +183,6 @@ static int omap2_clkdm_clk_enable(struct clockdomain *clkdm)
 	if (!clkdm->clktrctrl_mask)
 		return 0;
 
-	/*
-	 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
-	 * more details on the unpleasant problem this is working
-	 * around
-	 */
-	if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
-	    !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
-		_enable_hwsup(clkdm);
-		return 0;
-	}
-
 	hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
 				clkdm->clktrctrl_mask);
 
@@ -217,17 +206,6 @@ static int omap2_clkdm_clk_disable(struct clockdomain *clkdm)
 	if (!clkdm->clktrctrl_mask)
 		return 0;
 
-	/*
-	 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
-	 * more details on the unpleasant problem this is working
-	 * around
-	 */
-	if ((clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) &&
-	    (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
-		omap3_clkdm_wakeup(clkdm);
-		return 0;
-	}
-
 	hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
 				clkdm->clktrctrl_mask);
 
@@ -269,6 +247,17 @@ static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm)
 	if (!clkdm->clktrctrl_mask)
 		return 0;
 
+	/*
+	 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
+	 * more details on the unpleasant problem this is working
+	 * around
+	 */
+	if ((clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) &&
+	    (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
+		omap3_clkdm_wakeup(clkdm);
+		return 0;
+	}
+
 	hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
 				clkdm->clktrctrl_mask);
 
@@ -292,6 +281,17 @@ static int omap3xxx_clkdm_clk_disable(struct clockdomain *clkdm)
 	if (!clkdm->clktrctrl_mask)
 		return 0;
 
+	/*
+	 * The CLKDM_MISSING_IDLE_REPORTING flag documentation has
+	 * more details on the unpleasant problem this is working
+	 * around
+	 */
+	if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING &&
+	    !(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
+		_enable_hwsup(clkdm);
+		return 0;
+	}
+
 	hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
 				clkdm->clktrctrl_mask);
 

arch/arm/mach-omap2/omap_hwmod.c

@@ -1697,6 +1697,29 @@ static bool _are_all_hardreset_lines_asserted(struct omap_hwmod *oh)
 	return false;
 }
 
+/**
+ * _are_any_hardreset_lines_asserted - return true if any part of @oh is
+ * hard-reset
+ * @oh: struct omap_hwmod *
+ *
+ * If any hardreset lines associated with @oh are asserted, then
+ * return true.  Otherwise, if no hardreset lines associated with @oh
+ * are asserted, or if @oh has no hardreset lines, then return false.
+ * This function is used to avoid executing some parts of the IP block
+ * enable/disable sequence if any hardreset line is set.
+ */
+static bool _are_any_hardreset_lines_asserted(struct omap_hwmod *oh)
+{
+	int rst_cnt = 0;
+	int i;
+
+	for (i = 0; i < oh->rst_lines_cnt && rst_cnt == 0; i++)
+		if (_read_hardreset(oh, oh->rst_lines[i].name) > 0)
+			rst_cnt++;
+
+	return (rst_cnt) ? true : false;
+}
+
 /**
  * _omap4_disable_module - enable CLKCTRL modulemode on OMAP4
  * @oh: struct omap_hwmod *
@@ -1715,7 +1738,7 @@ static int _omap4_disable_module(struct omap_hwmod *oh)
 	 * Since integration code might still be doing something, only
 	 * disable if all lines are under hardreset.
 	 */
-	if (!_are_all_hardreset_lines_asserted(oh))
+	if (_are_any_hardreset_lines_asserted(oh))
 		return 0;
 
 	pr_debug("omap_hwmod: %s: %s\n", oh->name, __func__);
@@ -1749,12 +1772,12 @@ static int _am33xx_disable_module(struct omap_hwmod *oh)
 
 	pr_debug("omap_hwmod: %s: %s\n", oh->name, __func__);
 
+	if (_are_any_hardreset_lines_asserted(oh))
+		return 0;
+
 	am33xx_cm_module_disable(oh->clkdm->cm_inst, oh->clkdm->clkdm_offs,
 				 oh->prcm.omap4.clkctrl_offs);
 
-	if (_are_all_hardreset_lines_asserted(oh))
-		return 0;
-
 	v = _am33xx_wait_target_disable(oh);
 	if (v)
 		pr_warn("omap_hwmod: %s: _wait_target_disable failed\n",

arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c

@@ -219,7 +219,7 @@ struct omap_hwmod omap2xxx_l4_wkup_hwmod = {
 
 /* MPU */
 static struct omap_hwmod_irq_info omap2xxx_mpu_irqs[] = {
-	{ .name = "pmu", .irq = 3 },
+	{ .name = "pmu", .irq = 3 + OMAP_INTC_START },
 	{ .irq = -1 }
 };
 

arch/arm/mach-omap2/omap_hwmod_3xxx_data.c

@@ -94,7 +94,7 @@ static struct omap_hwmod omap3xxx_l4_sec_hwmod = {
 
 /* MPU */
 static struct omap_hwmod_irq_info omap3xxx_mpu_irqs[] = {
-	{ .name = "pmu", .irq = 3 },
+	{ .name = "pmu", .irq = 3 + OMAP_INTC_START },
 	{ .irq = -1 }
 };